diff --git a/servant-mock.cabal b/servant-mock.cabal
--- a/servant-mock.cabal
+++ b/servant-mock.cabal
@@ -1,5 +1,5 @@
 name:                servant-mock
-version:             0.7.1
+version:             0.8
 synopsis:            Derive a mock server for free from your servant API types
 description:
   Derive a mock server for free from your servant API types
@@ -15,6 +15,10 @@
 build-type:          Simple
 extra-source-files:  include/*.h
 cabal-version:       >=1.10
+bug-reports:         http://github.com/haskell-servant/servant/issues
+source-repository head
+  type: git
+  location: http://github.com/haskell-servant/servant.git
 
 flag example
   description: Build the example too
@@ -27,8 +31,8 @@
     base >=4.7 && <5,
     bytestring >= 0.10 && <0.11,
     http-types >= 0.8 && <0.10,
-    servant == 0.7.*,
-    servant-server == 0.7.*,
+    servant == 0.8.*,
+    servant-server == 0.8.*,
     transformers >= 0.3 && <0.6,
     QuickCheck >= 2.7 && <2.9,
     wai >= 3.0 && <3.3
diff --git a/src/Servant/Mock.hs b/src/Servant/Mock.hs
--- a/src/Servant/Mock.hs
+++ b/src/Servant/Mock.hs
@@ -180,3 +180,6 @@
 instance (Arbitrary a, Arbitrary (HList hs))
       => Arbitrary (HList (Header h a ': hs)) where
   arbitrary = HCons <$> fmap Header arbitrary <*> arbitrary
+
+instance Arbitrary NoContent where
+  arbitrary = pure NoContent